<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        table{
            width: 500px;
            margin: 100px auto;
            border-collapse: collapse;
            text-align: center;
        }

        td,th{
            border: 1px solid #333;
        }
        thead tr{
            height: 40px;
            background-color: #ccc;
        }
    </style>
</head>
<body>
    <table>
        <thead>
            <tr>
                <th>姓名</th>
                <th>科目</th>
                <th>成绩</th>
                <th>操作</th>
            </tr>
        </thead>
        <tbody>

        </tbody>
    </table>

    <script>

        var data = [{
              name: '魏璎珞',
              subject: 'JavaScript',
              score: '100'
            },{
              name: '弘历',
              subject: 'JavaScript',
              score: '90'
            },{
              name: '傅恒',
              subject: 'JavaScript',
              score: '99'
            },{
              name: '明玉',
              subject: 'JavaScript',
              score: '88'
            }
        ];

        var tbody = document.querySelector('tbody');
        // 创建多个行
        for(var i=0;i < data.length;i++){
            var tr = document.createElement('tr');
            tbody.appendChild(tr);
            // 行内创建单元格
            for(var k in data[i]){
                // 创建单元格
                var td = document.createElement('td');
                td.innerHTML = data[i][k];
                tr.appendChild(td);
            }
            var td = document.createElement('td');
            td.innerHTML = '<a href="javascript:;">删除</a>'
            tr.appendChild(td);
        }

        var as = document.querySelectorAll('a');
        for(var i=0;i < as.length;i++){
             as[i].onclick = function() {
                tbody.removeChild(this.parentNode.parentNode);
             }
        }
    </script>
    
</body>
</html>